spring BeanDefinitionOverrideFailureAnalyzer 源码
springboot BeanDefinitionOverrideFailureAnalyzer 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/diagnostics/analyzer/BeanDefinitionOverrideFailureAnalyzer.java
/*
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.diagnostics.analyzer;
import java.io.PrintWriter;
import java.io.StringWriter;
import org.springframework.beans.factory.support.BeanDefinitionOverrideException;
import org.springframework.boot.diagnostics.AbstractFailureAnalyzer;
import org.springframework.boot.diagnostics.FailureAnalysis;
/**
* An {@link AbstractFailureAnalyzer} that performs analysis of failures caused by a
* {@link BeanDefinitionOverrideException}.
*
* @author Andy Wilkinson
*/
class BeanDefinitionOverrideFailureAnalyzer extends AbstractFailureAnalyzer<BeanDefinitionOverrideException> {
private static final String ACTION = "Consider renaming one of the beans or enabling "
+ "overriding by setting spring.main.allow-bean-definition-overriding=true";
@Override
protected FailureAnalysis analyze(Throwable rootFailure, BeanDefinitionOverrideException cause) {
return new FailureAnalysis(getDescription(cause), ACTION, cause);
}
private String getDescription(BeanDefinitionOverrideException ex) {
StringWriter description = new StringWriter();
PrintWriter printer = new PrintWriter(description);
printer.printf("The bean '%s'", ex.getBeanName());
if (ex.getBeanDefinition().getResourceDescription() != null) {
printer.printf(", defined in %s,", ex.getBeanDefinition().getResourceDescription());
}
printer.printf(" could not be registered. A bean with that name has already been defined ");
if (ex.getExistingDefinition().getResourceDescription() != null) {
printer.printf("in %s ", ex.getExistingDefinition().getResourceDescription());
}
printer.printf("and overriding is disabled.");
return description.toString();
}
}
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- 本文标签： Spring Boot Java Spring
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